Hence forth we don't have to use edit this cookie option
We must have vpn connection
For this url “test.learnexa.com” back-end testing .
we have to either use 10.166.152.16 or that 10.166.152.240 in the /etc/hosts file
But not add both entries at the same time
app01 node ip = 10.166.152.16 app02 node ip = 10.166.152.240
step 1
open hosts file for edit make sure have root or sudo privileges vi /etc/hosts
step 2 add any one of the entries which app server wanna test
10.166.152.16 test.learnexa.com 10.166.152.240 test.learnexa.com
step3
save and exit